crinoid(redirected from Calyx (zoology))
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Any of various echinoderms of the class Crinoidea, including the sea lilies and feather stars, that are characterized by a cup-shaped body, feathery radiating arms, and either a stalk or a clawlike structure with which they are able to attach to a surface.
[From New Latin Crinoīdea, class name : Greek krinon, lily + Greek -oeidēs, -oid.]
(Animals) any primitive echinoderm of the class Crinoidea, having delicate feathery arms radiating from a central disc. The group includes the free-swimming feather stars, the sessile sea lilies, and many stemmed fossil forms
1. (Animals) of, relating to, or belonging to the Crinoidea
2. shaped like a lily
[C19: from Greek krinoeidēs lily-like]
cri•noid(ˈkraɪ nɔɪd, ˈkrɪn ɔɪd)
1. any echinoderm of the class Crinoidea, having a cup-shaped body with branched radiating arms, comprising the sea lilies and feather stars.adj.
[1825–35; < Greek krinoeidḗs=krín(on) lily + -oeidēs -oid]
Any of various invertebrate sea animals having a cup-shaped body, feathery arms, and a stalk by which they attach themselves to a surface. Sea lilies and feather stars are types of crinoids.
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|Noun||1.||crinoid - primitive echinoderms having five or more feathery arms radiating from a central disk|
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
sea lily - crinoid with delicate radiating arms and a stalked body attached to a hard surface
|Adj.||1.||crinoid - of or relating to or belonging to the class Crinoidea|